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February 26, 2024, 05:46 |
Units of viscosity in this journal paper
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#1 |
Senior Member
Stuart
Join Date: Jul 2009
Location: Portsmouth, England
Posts: 735
Rep Power: 25 |
I came across this journal paper by C. P. Ellis, The Variation of Gaseous Viscosity With Temperature, South African Journal of Science, April 1962, pp 115-120 (URL https://tsapps.nist.gov/publication/...?pub_id=907539).
In this paper is a table of viscosities as a function of temperature for various gases. I am uncertain of the units of the viscosity values It could all be non-dimensionalized, but if that is the case then I cannot find the reference viscosity used. Does anyone know this? Thanks. |
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February 26, 2024, 06:54 |
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#2 |
Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,680
Rep Power: 66 |
The units of the paper you link are clearly labeled in the table as micro-Pascal seconds, which is the most commonly used SI measure for viscosity. But this paper is not the one you cited.
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February 26, 2024, 08:23 |
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#3 |
Senior Member
Stuart
Join Date: Jul 2009
Location: Portsmouth, England
Posts: 735
Rep Power: 25 |
That's the problem of having too many tabs open in the internet browser The journal paper in question is at https://journals.co.za/doi/pdf/10.10520/AJA00382353_987
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February 26, 2024, 09:18 |
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#4 |
Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,680
Rep Power: 66 |
The viscosities are in miliPoise, mP. You can tell because air has viscosity of 17.2 µPa*s at 0 °C
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